BR9104395A - FERROMAGNETIC PARASITARY CURRENT PROBE HAVING EXCENTRIC MAGNETIZATION - Google Patents

FERROMAGNETIC PARASITARY CURRENT PROBE HAVING EXCENTRIC MAGNETIZATION

Info

Publication number
BR9104395A
BR9104395A BR919104395A BR9104395A BR9104395A BR 9104395 A BR9104395 A BR 9104395A BR 919104395 A BR919104395 A BR 919104395A BR 9104395 A BR9104395 A BR 9104395A BR 9104395 A BR9104395 A BR 9104395A
Authority
BR
Brazil
Prior art keywords
parasitary
excentric
magnetization
ferromagnetic
current probe
Prior art date
Application number
BR919104395A
Other languages
Portuguese (pt)
Inventor
Valentino Sante Cecco
Jon Robert Carter
Original Assignee
Ca Atomic Energy Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ca Atomic Energy Ltd filed Critical Ca Atomic Energy Ltd
Publication of BR9104395A publication Critical patent/BR9104395A/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
    • G01N27/9013—Arrangements for scanning
    • G01N27/902—Arrangements for scanning by moving the sensors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
    • G01N27/904—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents with two or more sensors
BR919104395A 1990-10-11 1991-10-10 FERROMAGNETIC PARASITARY CURRENT PROBE HAVING EXCENTRIC MAGNETIZATION BR9104395A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/596,080 US5237270A (en) 1990-10-11 1990-10-11 Ferromagnetic eddy current probe having eccentric magnetization for detecting anomalies in a tube

Publications (1)

Publication Number Publication Date
BR9104395A true BR9104395A (en) 1992-06-09

Family

ID=24385913

Family Applications (1)

Application Number Title Priority Date Filing Date
BR919104395A BR9104395A (en) 1990-10-11 1991-10-10 FERROMAGNETIC PARASITARY CURRENT PROBE HAVING EXCENTRIC MAGNETIZATION

Country Status (7)

Country Link
US (1) US5237270A (en)
JP (1) JPH04233452A (en)
BR (1) BR9104395A (en)
CA (1) CA2043496A1 (en)
DE (1) DE4126707A1 (en)
FR (1) FR2667942B1 (en)
GB (1) GB2248693B (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4129153A1 (en) * 1991-09-02 1992-06-04 Gemeinschaftskernkraftwerk Nec METHOD FOR CHECKING THE HEAT EXCHANGER TUBES IN A HEAT EXCHANGER
EP0816797B1 (en) 1996-06-28 2002-09-18 Tokyo Rope Mfg. Co., Ltd. Apparatus for and method of measuring corrosion degree of cable
US5751144A (en) * 1996-07-23 1998-05-12 Ndt Technologies, Incorporated Method and device including primary and auxiliary magnetic poles for nondestructive detection of structural faults
US6265870B1 (en) 1999-09-02 2001-07-24 Ndt Technologies, Inc. Eddy current sensor assembly for detecting structural faults in magnetically permeable objects
US6369566B1 (en) * 1999-09-27 2002-04-09 Framatone Anp Inc. Method for measuring crud thickness on nuclear fuel rods
AU2279901A (en) 1999-12-20 2001-07-03 Henry Moncrieff O'connor Method for generating and displaying complex data utilizing color-coded signals
US6281678B1 (en) 2000-02-29 2001-08-28 Gene R Auville Tri-tip probe
US7528599B2 (en) * 2004-05-21 2009-05-05 Matrix Enterprises, Llc Eddy current probe
KR100696991B1 (en) * 2006-01-25 2007-03-20 한국원자력연구소 Apparatus and method for searching eddy current of electric heat tube using measuring magnetic permeability in steam generator
GB2475315B (en) * 2009-11-16 2014-07-16 Innospection Group Ltd Inspection apparatus and method
GB2475314B8 (en) * 2009-11-16 2013-09-25 Innospection Group Ltd Remote environment inspection apparatus and method
EP2612105A1 (en) * 2010-10-14 2013-07-10 Halliburton Energy Services, Inc. Method for measuring remote field eddy current thickness in multiple tubular configuration
DE102012017871A1 (en) * 2012-09-06 2014-03-06 Institut Dr. Foerster Gmbh & Co. Kg Differential sensor and method for detecting anomalies in electrically conductive materials
JP6126813B2 (en) * 2012-09-20 2017-05-10 三菱重工業株式会社 Eddy current flaw inspection apparatus, eddy current flaw inspection method, and signal processor
GB2537124B (en) 2015-04-07 2018-09-05 Innospection Group Ltd In-line inspection tool
RU2634544C2 (en) * 2015-08-05 2017-10-31 Общество с ограниченной ответственностью "Интрон Плюс" Device for eddy current defectoscopy of ferromagnetic pipes on side of their inner surface

Family Cites Families (22)

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Publication number Priority date Publication date Assignee Title
GB948046A (en) *
US2124579A (en) * 1937-01-30 1938-07-26 Steel And Tubes Inc Method of and apparatus for testing metallic articles
US2992390A (en) * 1956-06-18 1961-07-11 Continental Oil Co Method and apparatus for electrical testing of pipe
US3091733A (en) * 1957-03-05 1963-05-28 Electro Chemical Lab Corp Apparatus for detecting flaws in elongated magnetic structures
US3110860A (en) * 1961-11-06 1963-11-12 Budd Co Electromagnetic testing apparatus using an eccentrically mounted annular test coil whose axis is rotated about the workpiece axis
US3273055A (en) * 1965-10-18 1966-09-13 Api Instr Company Constant impedance dual circuits for sample material flaw detection
US3500181A (en) * 1967-04-21 1970-03-10 Armco Steel Corp Eddy current flow detection apparatus utilizing a plurality of circumferential sensors
US3535624A (en) * 1967-06-13 1970-10-20 American Mach & Foundry Apparatus for inspecting the inside and outside of a tubular member continuously moving in one direction
US3483466A (en) * 1967-11-03 1969-12-09 American Mach & Foundry Pipeline inspection apparatus for detection of longitudinal defects
US3693075A (en) * 1969-11-15 1972-09-19 Forster F M O Eddy current system for testing tubes for defects,eccentricity,and wall thickness
US3940689A (en) * 1974-05-14 1976-02-24 Schlumberger Technology Corporation Combined eddy current and leakage field detector for well bore piping using a unique magnetizer core structure
US3940690A (en) * 1974-08-13 1976-02-24 Magnetic Analysis Corporation Multi-probe flux leakage testing apparatus using skewed probes
US4412177A (en) * 1980-10-29 1983-10-25 Petrini Richard R Eddy current inspection tool which is selectively operable in a discontinuity detection mode and a discontinuity magnitude mode
DE3132808C2 (en) * 1981-08-19 1984-01-26 Nukem Gmbh, 6450 Hanau "Device for the non-destructive testing of ferromagnetic bodies"
US4477776A (en) * 1981-11-02 1984-10-16 Magnetic Analysis Corporation Apparatus and process for flux leakage testing using transverse and vectored magnetization
US4649343A (en) * 1983-12-27 1987-03-10 The Babcock & Wilcox Company Electromagnetic flux leakage inspection system for ferromagnetic tubes
KR890001536B1 (en) * 1984-11-23 1989-05-06 더 뱁콕 앤드 윌콕스 컴퍼니 Diametrically offsetting eddy current probe
JPH073408B2 (en) * 1985-03-29 1995-01-18 日本鋼管株式会社 Pipeline pitting detector
JPS62130350A (en) * 1985-12-03 1987-06-12 Kawasaki Heavy Ind Ltd Probe for eddy current flaw detection
US4808927A (en) * 1987-02-19 1989-02-28 Atomic Energy Of Canada Limited Circumferentially compensating eddy current probe with alternately polarized receiver coil
US4855676A (en) * 1987-05-06 1989-08-08 Atomic Energy Of Canada Limited Ferromagnetic eddy current probe having transmit and receive coil assemblies
GB2218522A (en) * 1988-05-09 1989-11-15 Magnetic Analysis Corp Transducer for magnetic testing

Also Published As

Publication number Publication date
DE4126707A1 (en) 1992-04-16
FR2667942A1 (en) 1992-04-17
JPH04233452A (en) 1992-08-21
GB2248693A (en) 1992-04-15
GB2248693B (en) 1994-09-14
CA2043496A1 (en) 1992-04-12
US5237270A (en) 1993-08-17
GB9114165D0 (en) 1991-08-21
FR2667942B1 (en) 1994-11-04

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